Mathematics
18 Online
OpenStudy (anonymous):
What Is 1. x+10=-12, 2. y-12=15, 3. 2x=-18, 4. x/3= -4, 5. 3y=15
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OpenStudy (anonymous):
okay I will start with number one to get 10 on the other side you have to subtract\[x + 10 - 10 = -12 - 10\]
OpenStudy (anonymous):
Is -2 The Answer?
OpenStudy (anonymous):
what is -12 - 10
OpenStudy (anonymous):
-22?
OpenStudy (anonymous):
right
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OpenStudy (anonymous):
2. y-12=15
now to do this one you want to add 12 to both sides
OpenStudy (anonymous):
y=37 Right?
OpenStudy (anonymous):
right
OpenStudy (anonymous):
3. 2x=-18
this one you want to divide what do you think you are going to divide
OpenStudy (anonymous):
2 On Each Side? Right?
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OpenStudy (anonymous):
And The Answer Would Come Out To Be -9?
OpenStudy (anonymous):
right now do you think you see what to do with the rest
OpenStudy (anonymous):
Yes! But I Dont Get Number 4
OpenStudy (anonymous):
You Multiply 3*4 Right And Come Up With x=-12 Right?
OpenStudy (anonymous):
right just watch your signs
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OpenStudy (anonymous):
I Thought If You Mulitiply 3*-4 It Will Be A Negative Cause' Of The Rules!
OpenStudy (anonymous):
right but the why you wrote it the first time you forgot to but the - sign but the answer is -12
OpenStudy (anonymous):
Oh! Sorry Thanks I Asked All My Questions Now!